/* Writes data spanning two pages in virtual address space,
   which must succeed. */

#include <string.h>
#include <syscall.h>
#include "tests/userprog/boundary.h"
#include "tests/userprog/sample.inc"
#include "tests/lib.h"
#include "tests/main.h"

void test_main(void)
{
    int handle;
    int byte_cnt;
    char *sample_p;

    sample_p = copy_string_across_boundary(sample);

    CHECK((handle = open("sample.txt")) > 1, "open \"sample.txt\"");

    byte_cnt = write(handle, sample_p, sizeof sample - 1);
    if (byte_cnt != sizeof sample - 1)
        fail("write() returned %d instead of %zu", byte_cnt, sizeof sample - 1);
}
